package com.dy.oa.service;

import java.util.List;

import com.dy.oa.pojo.Announcement;

public interface AnnouncementService {

	int deleteByPrimaryKey(Integer id);

	int insert(Announcement record);

	Announcement selectByPrimaryKey(Integer id);

	int updateByPrimaryKey(Announcement record);
	
	List<Announcement> selectAll();

}
